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Finding the Fourth Proportional to 193,438.34, 290,112.15 and 93,549.14

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Solution

The fourth proportional to 193,438.34, 290,112.15 and 93,549.14 is: 140,301.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,438.34 : 290,112.15 = 93,549.14 : x
  2. Step 2: Convert to fraction form
    193,438.34/290,112.15 = 93,549.14/x
  3. Step 3: Cross multiply
    193,438.34x = 290,112.15 × 93,549.14
  4. Step 4: Simplify right side
    193,438.34x = 27,139,742,136.05
  5. Step 5: Solve for x
    x = 27,139,742,136.05/193,438.34
  6. Step 6: Final answer
    x = 140,301.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.